Add Composer class for scripting callbacks
Fix bad class references in script doc headers
Remove compile from bin scripts
Add missing slash after tplBase for xPDOScriptVehicle
Refactor Compiler for compiling projects using Teleport as library

Also fixes #3 - phar distro missing required dependencies (aws + guzzle)
Further refactoring of Compiler for library usage

Introduces filename argument for compiler binary, e.g.

    bin/compile myCustomTeleportApp.phar
Add bin/compile to Composer bin scripts